DigiTech Procedures recognized by the GSP21 and the GSP21 PRO
Request Configuration (00h)
Request One Program (01h)
Receive Microcode (40h)
Receive Configuration (41h)
Receive One Program (42h)
Continuous Controller Calculations
Parameter Value = (CC_Value * 2 * (PARAM_MAX + 1))/256
CC_VALUE The value of the continuous controller. (0-127)
PARAM_MAX The maximum value of the parameter the continuous controller is
changing.
Data format for the GSP21 Receive Configuration procedure
Please note that each internal ram byte (d7 - d0) is transmitted as 2 midi
bytes. The first midi byte is 0000000xb where x is d7. The second midi byte
is 0xxxxxxxb where x is d6 - d0. Refer to the Receive Configuration
procedure in the General Midi Implementation Manual for required header
information.
Ram Byte Number Quick Definition
1 - 2880 64 Program definitions
2881 - 3375 11 Algorithm definitions
3376 Program number
3377 Midi receive channel
3378 Midi transmit channel
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